优化 redis multi 使用

game-server/config/redis.ts

@@ -87,6 +87,7 @@ export function connectRedis(redisArr: string, redisPw: string) {
 
     // 转 promise
     const client = promisifyAll(oldRedisClient) as Redis.RedisClient;
+    promisifyAll(Redis.Multi.prototype);
     client.set('hello', 'redis', Redis.print);
 
     return client;